# JU vs x

The clearest difference is review sentiment: x at 56% against JU's 12%. x also leads on update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JU ships an update every 3 months, x monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JU | x |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ju-control/id1231415741/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 11.8% of reviews | **56.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 11 MB | 282 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUDO Wasseraufbereitung GmbH](https://appshunter.io/developer/412864390) | [Kermi GmbH](https://appshunter.io/developer/879996391) |

## What reviewers say

### JU

[App page](https://appshunter.io/ios/app/ju-control/id1231415741)

Remotely control and monitor network-enabled devices from JUDO. Receive notifications for important events and adjust settings for optimal water quality. Manage multiple devices, perfect for landlords or those with several JUDO products.

**Highlights:** Remote device control, Real-time status monitoring, Push notifications for events, Adjustable water quality settings, Manage multiple devices, Backwash reminder function

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### x

[App page](https://appshunter.io/ios/app/x-center/id1531279688)

Control your heat pump system remotely with this app. Monitor performance, create custom scenes, and view statistics from anywhere. No extra hardware is needed to get started.

**Highlights:** Remote heat pump control, Comprehensive system monitoring, Customizable scenes, Statistics and overviews, Alarm and warning notifications, Dark and light mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JU free?

JU is free to download, with no in-app purchases.

### Is x free?

x is free to download, with no in-app purchases.

### Do JU or x have ads?

Neither JU nor x shows ads.

### Which is updated more often, JU or x?

JU ships an update every 3 months, and x monthly. Most recently, JU was updated on November 6, 2026 and x on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*